| Mutterbach | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | State |
| Subdivision Name2: | Saarland |
| Mouth Location: | Blies |
| Mouth Coordinates: | 49.3149°N 7.2822°W |
| Length: | 8.6km (05.3miles) |
The Mutterbach is a river of Saarland, Germany. It flows into the Blies in Limbach.